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Related Experiment Video

Updated: Jul 16, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

High-Resolution MIMO Millimeter-Wave Radar Imaging Method for Non-Cooperative Targets.

Jixing Guan1, Junyu An2, Guisheng Liao1

  • 1National Key Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China.

Sensors (Basel, Switzerland)
|July 15, 2026
PubMed
Summary

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This study introduces a high-resolution imaging method using MIMO millimeter-wave radar for security screening. The technique effectively images non-cooperative moving targets, even through clothing, and analyzes array errors for improved system design.

Area of Science:

  • Applied Physics
  • Electromagnetics
  • Radar Systems Engineering

Background:

  • Millimeter-wave (MMW) technology provides high resolution and low radiation for security screening.
  • Challenges include imaging non-cooperative moving targets and bulky, costly equipment.
  • Existing methods struggle with dynamic targets and complex signal processing.

Purpose of the Study:

  • To propose a high-resolution imaging method for security screening using MIMO MMW radar.
  • To address challenges in imaging non-cooperative moving targets.
  • To analyze the impact of array errors on imaging performance.

Main Methods:

  • Established array and slant range models for a 2D range-height resolution scheme.
  • Employed a one-dimensional MIMO linear array with wideband signals.
Keywords:
BP imagingMIMO millimeter-wave imaging radararray errorsconcealed object detectionsuper-resolution

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Last Updated: Jul 16, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
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Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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  • Designed an algorithm flow including a range-domain super-resolution algorithm and back-projection principle.
  • Compensated for phase coupling from transmit array and target motion.

    • Main Results:

    • Successfully achieved 2D imaging of non-cooperative targets, revealing metal objects through cloth.
    • Super-resolution processing enhanced contour sharpness for metal plates.
    • Analysis indicated range array position errors significantly impact imaging results.

    Conclusions:

    • The proposed MIMO MMW radar imaging method effectively overcomes limitations of traditional systems.
    • The technique demonstrates practical utility in security screening by imaging concealed objects.
    • Understanding array error impacts is crucial for optimizing MMW radar system design.